Possibly the greatest horror franchise ever. The original movie may be the best slasher of all time and possibly the best mainstream horror movie of the 80's. The sequels vary in quality, but in contrast to most other horror franchises (I am looking at you, Friday the 13th!), they also vary in style, execution and character. This makes A Nightmare on Elm Street an enjoyable franchise to marathon and it deliver 3 or 4 films, that are actually worth watching on their own!